US Bridges

Algonquin Trail over Summerduck Run

Fair

Culpeper County, Virginia · 1.45FROM 661 & .22 TO617 · Structure no. 000000000005664

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
50 ft
1 main span
Daily traffic
221
2014 count
Owner
State
State Highway Agency

About this bridge

Algonquin Trail over Summerduck Run is a concrete tee beam carrying Algonquin Trail over Summerduck Run in Culpeper County, Virginia. It was built in 1968, so it is 57 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 221 vehicles a day, projected to reach 234 by 2042. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesAlgonquin Trail
CrossesSummerduck Run
Location1.45FROM 661 & .22 TO617
RouteCounty Highway 647
CountyCulpeper County
StateVirginia
Coordinates38.3721, -77.94082
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating51 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic221 (2014)
Projected traffic234 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Algonquin Trail over Summerduck Run built?

It was built in 1968, making it 57 years old in 2025.

What condition is Algonquin Trail over Summerduck Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Algonquin Trail over Summerduck Run carry?

About 221 vehicles per day (2014 count).

How long is Algonquin Trail over Summerduck Run?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns Algonquin Trail over Summerduck Run?

It is owned by the State Highway Agency.